Got it taken care of this morning.

234HP
200/TQ
SAE corrected

It's just about on par with CT's #'s
Stock dyno done on my old car was 215HP 201 TQ
My old 6MT dyno'd the same HP & TQ with the CT's

The shop was 86 degrees though so I'm sure the #'s will be better with cooler air.

I'll post the graph tonight.

However.....

There was a probelm with the lead cables on the dyno. They were picking up RFI interference & it caused the TQ to not read correctly after Vtec switchover. So the TQ # was taken before that at 200 FT lbs. Might be a little higher. HP wasn't effected. The shop said they will give me a free run when they get new cables put in.
Keep in mind my 6mt now is a difference car then the old one.
The old one had an Icebox, my car now doesn't. The new car has spacers, the old didn't.
However the #'s are close to CT's headers, even if they are a few HP's short.

 

Just to verify-

Old car - intake, comptech headers - 234 HP

New car - k&n with removed resonator, spacers, xs power headers, mugen cooling mods - 234 HP

Did your old car have the mugen mods or anything else?

 

Both cars had cooling mods & CT mufflers. Same size tires. That was it.

For someone who wants to do the math for crank HP. It was 21% drivetrain loss.

 

Sounds like the XS delivers about the same to me... I've always beleived that a K&N dropin w/ removed resonator was about equal (maybe a little less) gain wise as the CT icebox. The spacers probably make up for the difference in gains between the K&N vs CT icebox...

 

That's what I thought as well.

 

Nice...looks like the xspower headers work out pretty well.

 

hey fuzzy, those numbers dont look bad at all!!!......to bad the tq readout didnt come out correctly, it should be up there a little more. Im shooting for 240whp

 

I am excited to see those kind of numbers....I just had my XS Power headers installed about 3 weeks ago and the ole' butt dyno told me I had a power increase!!!

 

need the graph ...you sure this torque dip after vtec isnt the IMRC failure does it happen right around 4000 rpm

 

Not sure, the graph I have doesn't have RPM. It's MPH on the bottom. I may have to go back & have them print it out. Thought it was RPM. The IMRC is working I tested it before we pulled. If it wasn't working would that effect HP also? The HP curve is straight & even. The TQ is all over the place after vtec. (500-700 ft lbs)It dips & up down like crazy.

 

That's awesome fuzzy. I knew they had to be about the same. I mean, they are just pipes!

 

For sure. My gratitude to LH and Fuzzy for proving a point..

 

Nice. I wonder if the AW's are the same way?

 

Fuzzy, not to side track a bit but how much louder is it with the resonator off and how does it sound compare to a injen or aem CAI?

I already have a K&N drop in and am thinkin about gettin a AEM or Injen CAI for the sound.

 

Quality wise i doubt they are the same as the XSPower's....but like someone said, a pipe is a pipe. I still wonder if the primarys are sized any different between the Comptechs and the XSPowers

 

It's quiet. You won't get anywhere near the sound of a AEM. It's about as loud as the Icebox. For me I hate loud & hated my AEM so it's great for me.

 

i doesnt effect peak HP much at all ,but it does effect hi rpm torque as far as peaks and valleys that can be normal if the scale they used is tight example every 10 lb.ft instead of every 50

 

tight, im goin to buy my headers this week.

 

You 6speed guys are lucky with driveline loss. I have a 01 w/headers, mufflers, pulley, k&n drop in, thermoblock spacers and I only pulled 215hp and 190tq on the dyno. That was of course after stapping it to the dyno after driving 30mins to get there and it was 82 degrees out also. That just sucks that you were doing that stock(for me that is ) Great numbers

 

Nice, any sound clips? Also, how hard was the install?

I just did longtube headers for my mustang, so i imagine it cant be any harder than that.

 

No sound clips. Here's the 1st graph. I'll get a better one tomorrow from the shop that shows RPM. They were closed by the time I got out of work. Sorry it's a little big....

 

Wow, thats big block torque you got there.

234 whp is pretty nice though, almost makes me consider getting them. Was there any fitment/quality problems?

 

I just finished my install a few hours ago and there were no major issues. They fit perfect. The one thing that I recommend is that you get some better bolts. The ones that come in the box are crap! I snapped the first one that I was trying to tighten.

My car sounds great with no exhaust leaks now that I took off the DC headers. When I took it for a ride up to 120mph I didn't notice any difference compared to the DC's. It pulled nice and strong up top.

I'm glad that fuzzy02CLS could post his dyno. It confirms my comparison to the DC's and Comptechs. I guess we'll all wait and see about the long term on this product. BUT...for $150 bucks that duplicates Comptechs performance...who cares!

 

fuzzy if you look at the dip in power before well before it goes crazy it looks like classic failed IMRC...i would if i were you request a new free dyno because that torque curve is usless and unacceptable...IMRC's can fail intermitantly. what happens is there's a plastic gear inside that starts loosing teeth at some point it will catch some times and not others...

 

thanks for the post on th xs headers. i think i will get a set soon.

 

If only these things were around 3 years ago.

 

thanks fuzzy. i've been waiting for the #'s.

 

nice! cant wait to put them on!

 

Im still trying to get a dyno on my XSPower headers, after emails and phone calls....im not getting any response from the dyno shop

 

I'll check it out again. The shop guy did say it was interference & he had some problems with his lead cable that go to the plugs. He's giving me a free one once he gets the new cables in.

 

With those mods, those numbers seem pretty low to me, someone correct me if I'm wrong. Are you in high altitude? If I were you, I'd check the IMRC.


Fuzzy, thanks for doing that dyno.

 

let's just say i wouldn't consider that dyno to be solid.

like typeR said, i had 2 dynos, within 2 weeks of each other. at the 4K mark there was a major drop off in torque and it went up a little and was very flat.

replaced IMRC w/ new one, torque now continues increasing at 4,000... yours has the big drop off.

notice drop off:
http://i40.photobucket.com/albums/e235/cleancl/dyno.jpg

notice increase:
http://i40.photobucket.com/albums/e2...ancl/dyno2.jpg

 

Yeah but it doesn't effect HP so much. My TQ is screwed up. The fact that it dyno's 230+ HP means the headers are about the same as CT's. CT's may be higher a little.. Even if the IMRC is screwed wouldn't fixing it mean higher #'s?

 

higher torque yes, as far as your PEAK HP number, not much.

 

Torque > Horse power

 

I finally got in touch with someone at the dyno shop and will be dynoing friday(tomorrow) at 4:00pm, I cant wait!!!! Im hoping for numbers like Fuzzy, but i will always take a little more

Anthracite CLS6 with AEM intake and XSPower Headers

 

Right. My point. If my car is screwed up the dyno still shows great gains from a piece that cost $158 shipped.

 

I wish there was a group buy for them

 

Group Buy? For what? A cheaper price? Why don't you just go on ebay and get them? There are usually 5-10 auctions at the same time. This is the cheapest you willl ever get headers for our cars.

 

on my dyno, i had the same problem with the shops dyno not reading the torque because of the cable that goes to the coil. the HP numbers would be correct, it needs the signal from the coil to register torque. Those are good numbers for those headers, and the price was outstanding.